Ruth/Berry
Air Booster Kit Installation On Jet Pumps
For Part # RB-60078

The Air Booster is designed to help provide the required amount of air in the tank of a Ruth-Berry jet pump to prevent water logging.  It is used in conjunction with a type "L" Air volume Control to regulate the amount of air injected into the tank.  The type "L" A.V.C. is used on Ruth-Berry Jet pumps.

The Type "L" Air Volume Control is a float operated device, controlling a small spring operated valve which allows air to be drawn into the suction side of the pump or into the inlet of the Ruth-Berry Air Booster, according to the type of installation.  The type "L" Air Volume Control functions as follows: The water rises in the tank, lifts the float, depresses the air valve and thus allows the vacuum from the pump suction or Ruth-Berry Air Booster to draw air through the air inlet hole in the type "L" Air Volume Control.  A pressure gauge is mounted top side of this Air Volume Control.  The pressure passage to the pressure gauge is directly into the interior of the tank.

The Ruth-Berry Air Booster is a small special brass jet.  Water from the tank pressure or the down pressure pipe is fed through this jet creating a vacuum greater than can be produced by the suction alone.  By tapping into this small jet this extra vacuum can produce the amount of air required by the system.  The extra air produced is "boosted" into the system and gives rise to the term "Air Booster."

On all Ruth-Berry tank mounted pumps a brass inlet fitting is provided onto which a snifter valve is installed for the purpose of air induction.  The secondary function of this valve is to hold the pressure in the system when the pump is not running.  The valve core of this snifter valve requires seven inches of vacuum to open and allow air to enter.  On an installation where the vacuum is low it would be necessary to use the Air Booster to increase the vacuum sufficiently to operate the air induction system.  Various adaptations of the Ruth-Berry Air Booster to suit the type of Ruth-Berry Jet pump and the conditions are illustrated in figures 1-5.

Figure 1

 Shallow Well Single Stage

Install when water levels are 10' or less or when tank cut off pressure is greater than 40 lbs. 

Figure 2

 Deep Well Single Stage

Install when water levels are 30' or less or when tank cut off pressure is greater than 40 lbs.

Figure 3

 Deep Well Multi-Stage

Normally no Air Booster is required for 2 & 3 stage pumps where water level is below 60' and with a normal (40lbs) cut off pressure.  If such is needed install as shown in figure
 3 at left.

Figure 4

 Deep Well Multi-Stage

For 2 and 3 stage pumps with water levels above 60' and with tank cut off pressure at 40 lbs.

    Figure 5

 Deep Well Multi-Stage

For 2 and 3 stage pumps with water levels above or below 60' when cut off pressure is greater than 40 lbs. 

Figure 6

 Deep Well Multi-Stage

Top View illistration shows copper tubing inserted into the brass tank adapter.

Taken from Ruth/Berry Service Manual
Last updated 11/26/2001
This information is for reference only
Not responsible for typographical errors.